Rising Dragon RD631-1090 Light Wall Fitting, RD, Mini POL, 2-9/16"hs, 3-1/4"fd, PrismWith the Rising Dragon Pinnacle Light System, there is no complicated cabling or hub layouts. Installation is as simple as running one perimeter cable around the spa and using a harness clip to attach lights anywhere along this perimeter line. This system uses either a controller or a Master Light to run the various lighting programs. *Commonly used in: Four Winds Spas, Sunbelt Spas, Apollo Spas/Blue Falls USA